Suction Filters

Filter funnels are suited for separating suspensions by diffusion through a porous surface. It is important to differentiate between the classic filter funnels and buechner funnels. Analytics-Shop offers all filter funnels and buechner funnels manufactured by Duran and IDL GmbH, which are characterised by the excellent properties of the materials used.

  • Volume (filter funnels): 50 ml, 75 ml, 125 ml, 500 ml, 1000 ml, 4000 ml, etc.

  • Diameter (Buechner): 45 mm, 50 mm, 125 mm, 150 mm, 240 mm, 320 mm, etc.

Please contact us if you still have questions regarding filter funnels, buechner funnels or other products from Duran and IDL GmbH. Enjoy free shipping when you place an order of over 250 € (only applicable in Germany, Austria and BeNeLux).

For more Information about filter funnels, please click here.

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49 Items

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Product Image of Filter funnel/Büchner No. 127 C/3 NG 11
Filter funnel/Büchner No. 127 C/3 NG 11
Item number: ID2100206110
Brand: IDL GmbH

In stock

€117.77
Product Image of Filter funnel/DURAN, 4000 ml, por. 4
Filter funnel/DURAN, 4000 ml, por. 4
Item number: DU258526404
Brand: Duran Group

In stock

€650.57
Product Image of Filter funnel/Büchner No. 127 C/5 NG 18
Filter funnel/Büchner No. 127 C/5 NG 18
Item number: ID2100206180
Brand: IDL GmbH

In stock

€351.90
Product Image of Filter funnel/Büchner No. 127 C/4a
Filter funnel/Büchner No. 127 C/4a
Item number: ID2100206150
Brand: IDL GmbH

In stock

€219.59
Product Image of Filter funnel/Büchner No. 127 C/4 NG 12
Filter funnel/Büchner No. 127 C/4 NG 12
Item number: ID2100206120
Brand: IDL GmbH

In stock

€158.76
Product Image of Filter funnel/Büchner No. 127 C/2a NG 9 10 pcs.
Filter funnel/Büchner No. 127 C/2a NG 9 10 pcs.
Item number: ID2100206090
Brand: IDL GmbH

In stock

€1,038.50
Product Image of Filter funnel/Büchner No. 127 C/1, NG 5 10 pcs.
Filter funnel/Büchner No. 127 C/1, NG 5 10 pcs.
Item number: ID2100206050
Brand: IDL GmbH

In stock

€611.10
Product Image of Filter funnel/Büchner No. 127 C/0a NG 4 10 pcs.
Filter funnel/Büchner No. 127 C/0a NG 4 10 pcs.
Item number: ID2100206040
Brand: IDL GmbH

In stock

€552.70
Product Image of Filter funnel/DURAN, 4000 ml, por. 3
Filter funnel/DURAN, 4000 ml, por. 3
Item number: DU258526301
Brand: Duran Group

In stock

€557.44
Product Image of Filter funnel/DURAN, 1000 ml, por. 4
Filter funnel/DURAN, 1000 ml, por. 4
Item number: DU258524403
Brand: Duran Group

In stock

€224.84
Product Image of Filter funnel/DURAN, 1000 ml, por. 3
Filter funnel/DURAN, 1000 ml, por. 3
Item number: DU258524309
Brand: Duran Group

In stock

€171.63
Product Image of Filter funnel/DURAN, 125 ml, por. 4
Filter funnel/DURAN, 125 ml, por. 4
Item number: DU258522402
Brand: Duran Group

In stock

€71.83
Product Image of Filter funnel/DURAN, 125 ml, por. 3
Filter funnel/DURAN, 125 ml, por. 3
Item number: DU258522308
Brand: Duran Group

In stock

€63.18
Product Image of Filter funnel/DURAN, 75 ml, por. 4
Filter funnel/DURAN, 75 ml, por. 4
Item number: DU258521406
Brand: Duran Group

In stock

€52.56
Product Image of Filter funnel/DURAN, 75 ml, por. 3
Filter funnel/DURAN, 75 ml, por. 3
Item number: DU258521303
Brand: Duran Group

In stock

€47.87
Product Image of Filter funnel/DURAN, 50 ml, por. 4
Filter funnel/DURAN, 50 ml, por. 4
Item number: DU258520401
Brand: Duran Group

In stock

€45.28
Product Image of Filter funnel/DURAN, 50 ml, por. 3
Filter funnel/DURAN, 50 ml, por. 3
Item number: DU258520307
Brand: Duran Group

In stock

€42.56
Product Image of Filter funnel/DURAN, 50 ml, por. 2
Filter funnel/DURAN, 50 ml, por. 2
Item number: DU258520204
Brand: Duran Group

In stock

€42.56
Product Image of Filternutsche/Büchner 25 Ml 127C/0 Hartporzellan, 40 Mm Nenngröße
Filternutsche/Büchner 25 Ml 127C/0 Hartporzellan, 40 Mm Nenngröße
Item number: ID1000206030
Brand: IDL GmbH

In stock

€51.67
Product Image of Filternutsche/Büchner 10 Ml 127 C/00 Hartporzellan, 27 Mm Nenngröße
Filternutsche/Büchner 10 Ml 127 C/00 Hartporzellan, 27 Mm Nenngröße
Item number: ID1000206020
Brand: IDL GmbH

In stock

€49.48
Product Image of Filter funnel/Büchner No. 127 C/8 NG 32
Filter funnel/Büchner No. 127 C/8 NG 32
Item number: ID2100206320
Brand: IDL GmbH
€1,394.35
Product Image of Filter funnel/Büchner No. 127 C/6a
Filter funnel/Büchner No. 127 C/6a
Item number: ID2100206270
Brand: IDL GmbH
€1,061.00
Product Image of Filter funnel/Büchner No. 127 C/6 NG 24
Filter funnel/Büchner No. 127 C/6 NG 24
Item number: ID2100206240
Brand: IDL GmbH
€574.18
Product Image of DURAN® Micro filter funnel, 12D, 2 ml, porosity 4, 10 pc/PAK
DURAN® Micro filter funnel, 12D, 2 ml, porosity 4, 10 pc/PAK
Item number: DU258575404
Brand: Duran Group
€392.30
Product Image of DURAN® Micro filter funnel, 12D, 2 ml, porosity 3, 10 pc/PAK
DURAN® Micro filter funnel, 12D, 2 ml, porosity 3, 10 pc/PAK
Item number: DU258575301
Brand: Duran Group
€367.70
Product Image of DURAN® Micro filter funnel, 12D, 2 ml, porosity 2, 10 pc/PAK
DURAN® Micro filter funnel, 12D, 2 ml, porosity 2, 10 pc/PAK
Item number: DU258575207
Brand: Duran Group
€367.70
Product Image of DURAN® Micro filter funnel, 12D, 2 ml, porosity 1, 10 pc/PAK
DURAN® Micro filter funnel, 12D, 2 ml, porosity 1, 10 pc/PAK
Item number: DU258575104
Brand: Duran Group
€367.70
Product Image of DURAN® filter funnel, 4000 ml, 151 D, filter disc d = 175 mm, porosity 5
DURAN® filter funnel, 4000 ml, 151 D, filter disc d = 175 mm, porosity 5
Item number: DU258526507
Brand: Duran Group
€1,349.03
Product Image of Filter funnel/DURAN, 4000 ml, por. 2
Filter funnel/DURAN, 4000 ml, por. 2
Item number: DU258526207
Brand: Duran Group
€570.76
Product Image of Filter funnel/DURAN, 4000 ml, por. 1
Filter funnel/DURAN, 4000 ml, por. 1
Item number: DU258526104
Brand: Duran Group
€570.76
Product Image of Filter funnel/DURAN, 1000 ml, por. 5
Filter funnel/DURAN, 1000 ml, por. 5
Item number: DU258524506
Brand: Duran Group
€457.66
Product Image of Filter funnel/DURAN, 1000 ml, por. 2
Filter funnel/DURAN, 1000 ml, por. 2
Item number: DU258524206
Brand: Duran Group
€171.63
Product Image of Filter funnel/DURAN, 1000 ml, por. 1
Filter funnel/DURAN, 1000 ml, por. 1
Item number: DU258524103
Brand: Duran Group
€171.63
Product Image of Filter funnel/DURAN, 500 ml, por. 5
Filter funnel/DURAN, 500 ml, por. 5
Item number: DU258523501
Brand: Duran Group
€265.98
Product Image of Filter funnel/DURAN, 500 ml, por. 4
Filter funnel/DURAN, 500 ml, por. 4
Item number: DU258523407
Brand: Duran Group
€126.37
Product Image of Filter funnel/DURAN, 500 ml, por. 3
Filter funnel/DURAN, 500 ml, por. 3
Item number: DU258523304
Brand: Duran Group
€105.76
Product Image of Filter funnel/DURAN, 500 ml, por. 2
Filter funnel/DURAN, 500 ml, por. 2
Item number: DU258523201
Brand: Duran Group
€105.76
Product Image of Filter funnel/DURAN, 500 ml, por. 1
Filter funnel/DURAN, 500 ml, por. 1
Item number: DU258523107
Brand: Duran Group
€105.76
Product Image of Filter funnel/DURAN, 125 ml, por. 5
Filter funnel/DURAN, 125 ml, por. 5
Item number: DU258522505
Brand: Duran Group
€128.38
Product Image of Filter funnel/DURAN, 125 ml, por. 2
Filter funnel/DURAN, 125 ml, por. 2
Item number: DU258522205
Brand: Duran Group
€65.19
Product Image of Filter funnel/DURAN, 125 ml, por. 1
Filter funnel/DURAN, 125 ml, por. 1
Item number: DU258522102
Brand: Duran Group
€65.19
Product Image of Filter funnel/DURAN, 75 ml, por. 5
Filter funnel/DURAN, 75 ml, por. 5
Item number: DU258521509
Brand: Duran Group
€85.79
Product Image of Filter funnel/DURAN, 75 ml, por. 2
Filter funnel/DURAN, 75 ml, por. 2
Item number: DU258521209
Brand: Duran Group
€47.87
Product Image of Filter funnel/DURAN, 75 ml, por. 1
Filter funnel/DURAN, 75 ml, por. 1
Item number: DU258521106
Brand: Duran Group
€47.87
Product Image of Filter funnel/DURAN, 50 ml, por. 5
Filter funnel/DURAN, 50 ml, por. 5
Item number: DU258520504
Brand: Duran Group
€77.80
Product Image of Filter funnel/DURAN, 50 ml, por. 1
Filter funnel/DURAN, 50 ml, por. 1
Item number: DU258520101
Brand: Duran Group
€42.56
Product Image of Buechner funnel 125 ml, for filter paper d 90 mm,porcelain
Buechner funnel 125 ml, for filter paper d 90 mm,porcelain
Item number: NOE-1482
Brand: neoLab
€62.25
Product Image of Filternutsche/Büchner 3 Ml 127C/000 Hartporzellan, 18 Mm Nenngröße
Filternutsche/Büchner 3 Ml 127C/000 Hartporzellan, 18 Mm Nenngröße
Item number: ID1000206010
Brand: IDL GmbH
€48.05
Product Image of Filter funnel/Büchner No. 127 C/2, NG 7 10 pcs.
Filter funnel/Büchner No. 127 C/2, NG 7 10 pcs.
Item number: ID2100206070
Brand: IDL GmbH
€80.04

49 Items

The glass filters are classified as being in porosity classes 0 to 5 according to their nominal maximum pore size. The following table shows the corresponding porosity range. The specified pore sizes always relate to the largest pore in the plate. This specification also characterises the minimum nominal size of particles which may be retained by the filtration.

Porosity      
 
ISO 4793
Labeling 
max. Pore Size
[µm]
0 P 250 160 - 250
1 P 160 100 - 160
2 P 100 40 - 100
3 P 40 16 - 40
4 P 16 10 - 16
5 P 1.6 1.0 - 1.6

All filter funnels of DURAN are manufactured out of borosilicate glass, which is charaterized by high resistance against chemicals and changes is temperature. Filter funnels are linked by a cubic ruber gasket (GUKO). The following tabelle gives you an overview of the product range of DURANs filter funnels. 

Porosity
 
Volume
[ml]
d Plate
[mm] 
d Output
[mm] 
d Input
[mm] 
Heigth
[mm] 
1 - 5 50 35 10 40 130
1 - 5 75 45 10 56 130
1 - 5 125 60 10 71 140
1 - 5 500 95 22 106 200
1 - 5 1 000 120 22 135 320
1 - 4 4 000 175 30 202 400

 

IDL GmbH - Buechner Funnels

Buechner funnels are filter funnels with a worked into sieve instead of a porous filteration layer. The filter papers required for separations with buechner funnels can also be found at the analytics-shop.com. The following tabelle gives you an overview of the products of IDL GmbH. 

Diameter
[mm] 
Volume
[ml] 
Diameter
[mm] 
Volume
[ml] 
45 50 150 1250
55 75 185 1900
70 135 240 4300
90 290 270 5800
110 580 320 10600
125 795    

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